#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main() {
	/*int i, j,m;
	char ch;
	ch = getchar();*/

	/*for (i = 0; i < 5; i++)
	{
		for (j = 0; j <4 - i; j++)
		{
			printf(" ");
		}
		for (j = 0; j <= i; j++)
		{
			printf("%c ",ch);
		}
		printf("\n");
		
	}
	for (i = 0; i < 5; i++)
	{
		for (j = 0; j < i; j++)
		{
			printf(" ");
		}
		for (j = 0; j <= 4 - i; j++)
		{
			printf("%c ", ch);
		}
		printf("\n");
	}*/
	/*for (i = 0; i < 5; i++)
	{
		for (j = 0; j < i; j++)
		{
			printf("  ");
			
		}
		printf("%c", ch);
		printf("\n");
		for (m = 0; m < 4 - j; m++)
		{
			printf("  ");

		}
		printf("%c", ch);
		printf("\n");
	}
	*/
	
	/*int m,n;
	scanf("%d %d", &m, &n);
	int a[10][10] = { 0 };
	for (int i = 0; i < 10; i++)
	{
		for (int j = 0; j < 10; j++)
		{
			scanf("%d %d", &a[m][n]);
		}
	}
	for (int i = 0; i < 10; i++)
	{
		for (int j = 0; j < 10; j++)
		{
			printf(" %d", a[n][m]);
		}
	}*/

	/*
		int a[10] = { 0 };
		for (int i = 0; i < 10; i++)
		{
			scanf("%d", &a[i]);
		}
		for (int i = 9; i>0; i--)
		{
			printf("%d", a[i]);
		}                    */
		
	/*int m, n;
	int a1[] = { 0 };
	int a2[] = { 0 };
	int a3[] = { 0 };
	scanf("%d %d", &m, &n);
	int temp = m + n;
	for (int i = 0; i < m; i++)
		scanf("%d", &a1[m]);
	for (int i = 0; i < n; i++)
		scanf("%d", &a2[n]);*/

	/*int a[] = { 0 };
	for (int i = 0; i < 10; i++)
		scanf("%d",&a[i]);
	int sum=0;
	for (int i = 0; i < 10; i++)
		sum += a[i];
	printf("%d", sum);*/
	int a = 1, b = 2;
	int swap(a, b);
	
	return 0;
}